@prefix cpm: . @prefix dc: . @prefix dcat: . @prefix dce: . @prefix dct: . @prefix grg: . @prefix iop: . @prefix ns0: . @prefix ns1: . @prefix owl: . @prefix pav: . @prefix prov: . @prefix puv: . @prefix qudt: . @prefix rdf: . @prefix rdfs: . @prefix reg: . @prefix semapv: . @prefix skos: . @prefix sssom: . @prefix void: . rdf:type skos:Concept ; dce:identifier "SDN:L22::TOOL1107" ; dc:date "2017-02-13 10:52:07.0" ; dc:identifier "SDN:L22::TOOL1107" ; pav:authoredOn "2017-02-13 10:52:07.0" ; pav:hasCurrentVersion ; pav:hasVersion ; pav:version "2" ; void:inDataset ; owl:deprecated "false" ; owl:versionInfo "2" ; skos:altLabel "LDEO Standard OBS" , "LDEO Standard OBS"@en ; skos:broader , ; skos:definition "The LDEO standard seismometer design has been in use for nearly 10 years. The seismometer sensor is a L4C 1 Hz geophone, with a low-noise amplifier, giving useful response down to 100 s, and a differential pressure gauge. This instrument has been used in both year-long passive-source and shorter-term active-source experiments.  The design includes dual redundancy with two transponders and two dropweights. It can be deployed to a depth of 5000 m and for a maximum duration of 400 days."@en ; skos:inScheme ; skos:notation "SDN:L22::TOOL1107" ; skos:note "accepted"@en ; skos:prefLabel "Lamont-Doherty Earth Observatory Standard ocean bottom seismometer"@en ; skos:related .